66422504066 has 8 divisors (see below), whose sum is σ = 99638205564. Its totient is φ = 33209768880.

The previous prime is 66422504003. The next prime is 66422504069. The reversal of 66422504066 is 66040522466.

It can be written as a sum of positive squares in 2 ways, for example, as 49385728441 + 17036775625 = 222229^2 + 130525^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (66422504069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 684725 + ... + 775688.

Almost surely, 2^66422504066 is an apocalyptic number.

66422504066 is a deficient number, since it is larger than the sum of its proper divisors (33215701498).

66422504066 is a wasteful number, since it uses less digits than its factorization.

66422504066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1483156.

The product of its (nonzero) digits is 414720, while the sum is 41.

The spelling of 66422504066 in words is "sixty-six billion, four hundred twenty-two million, five hundred four thousand, sixty-six".